Groups > comp.soft-sys.math.mathematica > #3270

Re: pattern example

From	Andrzej Kozlowski <akoz@mimuw.edu.pl>
Newsgroups	comp.soft-sys.math.mathematica
Subject	Re: pattern example
Date	2011-06-24 11:48 +0000
Organization	Steven M. Christensen and Associates, Inc and MathTensor, Inc.
Message-ID	<iu1tid$9j7$1@smc.vnet.net> (permalink)
References	<201106231125.HAA25887@smc.vnet.net>

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On 23 Jun 2011, at 13:25, Francisco Gutierrez wrote:

> I find in Leonid's (Shiffrin) excellent book the following example (p. 122):
> f[3/5,4,5,2/3]/.f[x:(_Integer|_Rational)..]:>{x}
>
> According to the book, this returns {3/5,4,5,2/3}
>
> However, I get (Mathematica 8.0.1, Windows 7) f[3/5,4,5,2/3]
>
> What's wrong?
> Francisco
>

Nothing. It works fine here. Try again but if you are still having problems try this:


f[3/5,4,5,2/3]/.f[x:Repeated[Alternatives[Blank[Integer],Blank[Rational]]]]:>{x}

Does this work for you now?

Andrzej Kozlowski

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Re: pattern example Andrzej Kozlowski <akoz@mimuw.edu.pl> - 2011-06-24 11:48 +0000

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